Tennis Players Starting with K
- Kamchibekov/Kolninov
- Katya Townsend
- Kenzhibayeva/Ounmuang
- Kahramonova/Olimjanova
- Kinoshita/Okuwaki
- Kubareva/Khomutyanskaya
- Kazuma Kawachi/Issei Okamura
- Kabir Hans
- Karolina Krajmer
- Keegan Rice
- Kaitlyn Carnicella/Taylor Goetz
- Kallista Liu
- Karma Yacavino
- Kaitlyn Carnicella
- Kulakowski/Politowicz
- Karlo Cubelic/Paul Woerner
- Komano/Chiu
- Karolina Kubanova/Renata Voracova
- Karolina Krajmer/Andrea Roots
- Kayla Cross/Jaeda Daniel
- Kabeer Kapasi
- Kadak Ocvirk/Kaja Najzer
- Kim Da Hye
- Kahyeon Han
- Katherine Barnes/Jasmin Sabrina Opris
- Karina Kovalchuk/Laura Pasterk
- Kozaki/Hosoki
- Katsumi/Thompson
- Kobayashi/Nishimura
- Kim/Lin
- Kitahara/Koyama
- Kabir Hans/Karan Singh
- Kornel Halmos
- Kaylah Mcphee/Sapfo Sakellaridi
- Kevin Cheruiyot/Abdella Nedim Mohammed
- Kabeer Kapasi/Miljan Zekic
- Krastenova/Spasova
- Kawamura/Ovcharenko
- Karola Patricia Bejenaru/Sandra Samir
- Kristijan Juhas/Marat Sharipov
- Koussenkova/Ennaciri
- Komano/Zheng
- Kanna Soeda
- Kirilov/Riepkin
- Ksenia Laskutova/Radka Zelnickova
- Kevin Cheruiyot
- Kenny De Schepper/Benjamin Pietri
- Kolos Kovalivka
- KS Vive Tauron Kielce
- Kelsey Stevenson/Tennyson Whiting
- Katie Boulter/Heather Watson
- Katarzyna Piter/Anna Karolina Schmiedlova
- Kenzie Nguyen
- Keira Blackbeard
- Klara Kosan
- Karla Bartel
- Kohei Hayashi/Yusaku Sugaya
- Koray Kirci/Fares Zakaria
- Khosla/Schoen
- Koki Matsuda/Rio Noguchi
- Katerina Siniakova/Tomas Machac
- Kevin Edengren
- Katie Codd
- Kohei Hayashi
- Katarina Kuzmova/Radka Zelnickova
- Karl Lee
- Kenzie Nguyen/Julieta Pareja
- Kurumi Tamura
- Kanako Morisaki
- Kazuma Kawachi/Kaichi Uchida
- Kyoka Okamura/Peangtarn Plipuech
- Kayla Chung/Anna Frey
- Katie Codd/Elyse Tse
- Kurumi Tamura/Rio Tsuda
- Karola Patricia Bejenaru/Ines Ibbou
- Klubi 04
- KPV Kokkola
- KuPS Akatemia
- Kings Hammer FC
- Kozara Gradiška
- Kuressaare II
- KI Klaksvik
- Kowloon Cricket Club
- Kwong Wah